FIELD: chemistry.
SUBSTANCE: bottom-hole treatment composition contains, wt %: sodium bisulphate - 8.0-15.0, citric acid - 0.5-1.0, boric acid - 1.0-1.8, water - the rest.
EFFECT: increased dissolving power of the compound of not only clay minerals but carbonate components as well.
2 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| SELECTIVE WATER INFLUX INSULATION METHOD | 2008 |
|
RU2378491C1 |
| METHOD OF COMPLEX ACTION ON FACE ZONE OF WELL | 2001 |
|
RU2184221C1 |
| COMPLEX TECHNOLOGY OF CLEANING OF BOTTOM-HOLE ZONE | 2000 |
|
RU2158356C1 |
| COMPOSITION FOR TREATMENT OF BOTTOM HOLE ZONE OF COLLECTORS WITH LOW PERMEABILITY | 2007 |
|
RU2342419C1 |
| COMPOSITION FOR ACID TREATMENT OF BOTTOM-HOLE TERRIGENOUS FORMATION ZONE | 2016 |
|
RU2614994C1 |
| COMPOSITION FOR FORMATION WATER SHUTOFF | 2002 |
|
RU2213214C1 |
| HYDROCHLORIC ACID COMPOSITION FOR REMOVING FILTER CAKE FROM BOTTOMHOLE FORMATION ZONE | 2009 |
|
RU2389750C1 |
| REAGENT COMPOSITION FOR DISSOLVING CARBONATE COLMATANT | 2019 |
|
RU2717850C1 |
| ACID COMPOSITION FOR CHEMICAL TREATMENT AND FILTER CAKE REMOVAL OF WELL BORE ZONE OF RESERVOIR | 2018 |
|
RU2677525C1 |
| HYDROCHLORIC ACID COMPOSITION FOR TREATMENT AND CLAY CAKE REMOVAL OF BOTTOMHOLE FORMATION ZONE | 2018 |
|
RU2704167C1 |
